Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 11 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/17/2018   18:27:05   (  -0.00, -75.23) (  -0.14, -75.78)   63.59                80
 11/18/2018   18:11:01   (  -0.00, -75.23) (   0.88, -71.25)  453.19                80
 11/20/2018   06:32:48   (   0.00, -75.25) (   0.32, -76.52)  145.80                80
 11/21/2018   06:11:24   (   0.00, -75.25) (  -0.71, -71.99)  371.21                80
 11/22/2018   18:33:21   (  -0.00, -75.26) (  -0.44, -77.31)  233.49                80
 11/23/2018   18:17:15   (  -0.00, -75.26) (   0.53, -72.77)  283.59                80
 11/25/2018   06:39:04   (  -0.00, -75.28) (   0.61, -78.05)  315.09                80
 11/26/2018   06:17:39   (  -0.00, -75.29) (  -0.41, -73.52)  201.92                80
 11/27/2018   18:42:15   (   0.01, -75.30) (  -0.78, -78.83)  402.56                80
 11/28/2018   18:23:31   (   0.01, -75.31) (   0.24, -74.30)  114.81                80
 11/30/2018   06:45:18   (  -0.01, -75.34) (   0.95, -79.57)  482.84                80